DB-EnginesExtremeDB: the hard real time dbmsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > HEAVY.AI vs. LevelDB vs. NCache vs. TempoIQ

System Properties Comparison HEAVY.AI vs. LevelDB vs. NCache vs. TempoIQ

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameHEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022  Xexclude from comparisonLevelDB  Xexclude from comparisonNCache  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionA high performance, column-oriented RDBMS, specifically developed to harness the massive parallelism of modern CPU and GPU hardwareEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesOpen-Source and Enterprise in-memory Key-Value StoreScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelRelational DBMSKey-value storeKey-value storeTime Series DBMS
Secondary database modelsSpatial DBMSDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.29
Rank#153  Overall
#73  Relational DBMS
Score3.06
Rank#101  Overall
#18  Key-value stores
Score0.79
Rank#196  Overall
#32  Key-value stores
Websitegithub.com/­heavyai/­heavydb
www.heavy.ai
github.com/­google/­leveldbwww.alachisoft.com/­ncachetempoiq.com (offline)
Technical documentationdocs.heavy.aigithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdwww.alachisoft.com/­resources/­docs
DeveloperHEAVY.AI, Inc.GoogleAlachisoftTempoIQ
Initial release2016201120052012
Current release5.10, January 20221.23, February 20215.2, April 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2; enterprise edition availableOpen Source infoBSDOpen Source infoEnterprise Edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
NCache Cloud: NCache Cloud is available in Azure and AWS Marketplaces as a Service. This means you can now obtain it instantaneously with a few mouse clicks, and seamlessly scale your cache deployment without any down time.
Implementation languageC++ and CUDAC++C#, .NET, .NET Core, Java
Server operating systemsLinuxIllumos
Linux
OS X
Windows
Linux
Windows
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnopartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesnonoyes
SQL infoSupport of SQLyesnoSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.no
APIs and other access methodsJDBC
ODBC
Thrift
Vega
IDistributedCache
JCache
LINQ
Proprietary native API
HTTP API
Supported programming languagesAll languages supporting JDBC/ODBC/Thrift
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
.Net Core
C#
Java
JavaScript (Node.js)
Visual Basic.NET
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresnonono infosupport for stored procedures with SQL-Server CLRno
Triggersnonoyes infoNotificationsyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesSharding infoRound robinnoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnoneyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonooptimistic locking and pessimistic lockingno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardnoAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)simple authentication-based access control
More information provided by the system vendor
HEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022LevelDBNCacheTempoIQ infoformerly TempoDB
Specific characteristicsOptimizes memory and compute layers to deliver unprecedented performance. Natively...
» more
NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesOnly HEAVY.AI allows users to visually and interactively discover high-value patterns,...
» more
NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosAdvanced analytics, geospatial and time-series analytics, accelerated data science,...
» more
NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsHEAVY.AI Free (Free Forever), Foundations ($2k/month), and Enterprise Licensure (Inquire...
» more
NCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
News

NCache 5.3 Released
19 April 2022

How Data Dependency Manages Relationships in Cache?
16 December 2021

Write-Through & Write-Behind Cache: An Introduction
7 December 2021

How to Stop a Node for Maintenance without State Transfer?
6 December 2021

Couchbase Alternatives Open Source Distributed Cache
2 December 2021

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
HEAVY.AI infoFormerly named 'OmniSci', rebranded to 'HEAVY.AI' in March 2022LevelDBNCacheTempoIQ infoformerly TempoDB
Recent citations in the news

The insideBIGDATA IMPACT 50 List for Q2 2022
27 April 2022, insideBIGDATA

OmniSci Gets HEAVY New Name and New CEO
1 March 2022, Datanami

HEAVY.AI launches HEAVY.AI v6.0 with new HeavyConnect feature -
28 March 2022, Enterprise Times

Nvidia unveils a new GPU architecture designed for AI data centers
22 March 2022, Network World

The insideBIGDATA IMPACT 50 List for Q1 2022
10 January 2022, insideBIGDATA

provided by Google News

Check Point Research detects vulnerability in the Everscale blockchain wallet, preventing cryptocurrency theft
25 April 2022, Check Point Research

Vidar distributed through backdoored Windows 11 downloads and abusing Telegram
19 May 2022, Security Boulevard

AI and Blockchain Technology: What Is the Future?
28 April 2022, Coin Rivet

Malicious Roblox Cookie and Discord Token Stealers Hit PyPI Repository
2 February 2022, Security Boulevard

How Infrastructure Providers Can Enable Web3 – The New Stack
23 December 2021, thenewstack.io

provided by Google News

How to use NCache in ASP.Net Core
25 February 2019, InfoWorld

Custom Response Caching Using NCache in ASP.NET Core
22 April 2020, InfoQ.com

provided by Google News

Job opportunities

Accountant
HEAVY.AI, Inc., San Francisco Bay Area, CA

Product Designer 2
Microsoft, Redmond, WA

Senior DevOps Engineer
NVIDIA, Santa Clara, CA

Storage Software Engineer/Researcher, Infrastructure System Lab
ByteDance, Mountain View, CA

Storage Software Engineer/Researcher, Infrastructure System Lab
ByteDance, Seattle, WA

Senior Software Engineer
IT People, Morrisville, NC

Principal Engineer - Database Internals
Snowflake, San Mateo, CA

Senior Software Engineer- Database Internals
Snowflake, San Mateo, CA

Client Services Engineer
Alachisoft, Dallas, TX

Client Services Engineer
Diyatech Corp., Dallas, TX

Digital Marketing Operations Manager
Alachisoft, Dallas, TX

Inside Sales & Biz Dev
Alachisoft, Dallas, TX

Technical Project Manager
Alachisoft, Dallas, TX

jobs by Indeed



Share this page

Featured Products

The definitive guide for Cassandra

Imagine What You Could Do if Scalability Wasn‘t a Problem!
Download the Cassandra e-book for free!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

Redis logo

The world’s most loved real‑time data platform.
Try free

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Present your product here